ABN and ABN Look Up If you have ever wondered why your bookkeeper asks for an ABN, a copy of an invoice, or clarification about a supplier, there is a good reason. Supplier information is not just administrative detail. It plays an important role in making sure your bookkeeping records are accurate, GST is treated correctly, and your BAS is prepared using reliable information. At Love Bookkeeping, we are continuing to strengthen the checks we complete as part of our bookkeepi